36311000813 has 2 divisors, whose sum is σ = 36311000814. Its totient is φ = 36311000812.

The previous prime is 36311000809. The next prime is 36311000821. The reversal of 36311000813 is 31800011363.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36283773289 + 27227524 = 190483^2 + 5218^2 .

It is a cyclic number.

It is not a de Polignac number, because 36311000813 - 2² = 36311000809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36311000863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18155500406 + 18155500407.

It is an arithmetic number, because the mean of its divisors is an integer number (18155500407).

Almost surely, 2^36311000813 is an apocalyptic number.

It is an amenable number.

36311000813 is a deficient number, since it is larger than the sum of its proper divisors (1).

36311000813 is an equidigital number, since it uses as much as digits as its factorization.

36311000813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 36311000813 in words is "thirty-six billion, three hundred eleven million, eight hundred thirteen", and thus it is an aban number.